. but needless to say, he will rather quickly. i should mention that president obama has been informed of what was going on at ft. hood. he was about to make some remarks in a few moments. i'm not sure, honestly in what venue he was to speak, but he apparently is going to have something to say about this in just a few moments, and, obviously, express condolences that everyone feels for those families. as general kohn mentioned, one of those killed is a civilian police officer. we don't know if the others were military personnel and, obviously, there's a question as to whether, or what rank this individual was who did the shooting. brian ross, who is here, our chief investigative correspondent, he may have some details on that. >> we do from three separate law enforcement sources. they describe the shoot, the person now dead as an officer. an officer, perhaps major or retired major. but he was the shooter, according to three separate law enforcement sources. the lone shooter. some reports say he is from virginia and had been recently deployed in iraq. >> but again, two other people arrested. so